Now that the Pension Protection Act extends 529 college savings plan features that were set to expire after 2010-the most important being tax-free withdrawals-assets in 529 plans could surge even faster than the 30% clip at which they have been growing over the past two years. Last year, assets in 529s rose 30.8% to $68.4 billion, and this year, they've risen another 31.5% to $90 billion, according to data from Financial Research Corp. and the College Savings Plan Network.

But despite the potential for rapid 529 growth, some fund companies are not adequately equipping their websites with enough proprietary marketing and educational information on 529s, instead using links to whisk visitors to state and college websites, according to Corporate Insight.

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